湖泊富营养化治理的生态工程

应用生态学报 ›› 2001, Vol. ›› Issue (4): 590-592.

湖泊富营养化治理的生态工程

孙刚, 盛连喜

东北师范大学国家草地生态工程实验室, 长春 130024

收稿日期:2000-03-23 修回日期:2001-03-13 出版日期:2001-07-25
通讯作者: 孙刚,男,1969年生,博士后,副教授.E-mail:sun-gang@mail.nenu.edu.cn
基金资助:
国家“973”重点基础研究发展规划项目(G2000018606);国家自然科学基金(39300023);吉林省自然科学基金资助项目(0910306)

Ecological engineering for eutrophication control in lake

SUN Gang, SHENG Lianxi

National Laboratory of Grassland Ecological Engineering, Northeast Normal University, Changchun 130024

Received:2000-03-23 Revised:2001-03-13 Online:2001-07-25

摘要/Abstract

摘要： 1996年对长春南湖的富营养化实施了生态治理工程.调查结果表明,通过收获水生高等植物和鱼产品带出湖体的P量分别为149.6和189.9kg,通过蚌体生长固定的P量为153.4kg,三者合计492.9kg,与湖体全年P输入量大体持平.生态工程运转后,水质明显好转,湖水中的总P浓度逐年下降,浮游植物个体密度减小、种类数增加.生态工程是城市湖泊富营养化治理较为理想的方法.

关键词: 生态工程, 磷, 湖泊, 富营养化

Abstract: An ecological engineering was conducted for eutrophication control in the Nanhu Lake of Changchun.In 1996,the removal of phosphorus by harvesting aquatic macrophytes and fishes was 149.6kg and 189.9kg,respectively,and the phosphorus fixed in molluscs was 153.4kg.The total output was 492.9kg,which amounted approximately to the annual phosphorus input of the lake.After ecological engineering,the water quality turned better,the TP concentration in lake water decreased,the phytoplankton density reduced,and the number of phytoplankton species increased.The roles of molluscs and fish in controlling lake eutrophication should be further studied.Ecological engineering is an ideal method to control the eutrophication of urban lakes.

Key words: Ecological engineering, Phosphorus, Lake, Eutrophication

中图分类号:

X171.4

孙刚, 盛连喜. 湖泊富营养化治理的生态工程[J]. 应用生态学报, 2001, (4): 590-592.

SUN Gang, SHENG Lianxi . Ecological engineering for eutrophication control in lake[J]. Chinese Journal of Applied Ecology, 2001, (4): 590-592.

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